directory-searchoption

C# – Get all files in a folder

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There are two simple ways to get all files in a folder: I’ll show examples below, along with a few other scenarios, such as getting files from subfolders. Note: ‘directory’ and ‘folder’ mean the same thing. I use these terms interchangeably. Get all files with Directory.GetFiles() Directory.GetFiles() returns all file paths from the top-level folder … Read more

C# – How to make a file read-only

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There are two ways to programmatically make a file read-only: Here’s an example showing both ways to make a file read-only: Using File.SetAttributes() is useful when you want to manage all of file’s attributes at once. FileAttributes is an enum flag, so you can use bitwise operations to add/remove multiple attributes at once. That’s why … Read more

C# – Search for files in a directory

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Use Directory.EnumerateFiles() to search for files in a directory and then loop over the file paths (and then reading the files, or whatever you want to do with the info). Here’s an example of searching for files containing “hello” in the file name: Note: Use the wildcard character * to match anything. It returns an … Read more